Changes in Carrying Amount of Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 26, 2020 USD ($)
Goodwill [Line Items]
Balance beginning of period	$ 1,849,747
Goodwill acquired during the year	13,448
Measurement period adjustments to goodwill acquired in prior year	(7,114)
Goodwill, Foreign Currency Translation Gain (Loss)	(720)
Balance end of period	1,855,361
Goodwill, Impairment Loss	0
Commercial Foodservice Equipment Group
Goodwill [Line Items]
Balance beginning of period	1,153,552
Goodwill acquired during the year	13,448
Measurement period adjustments to goodwill acquired in prior year	(55)
Goodwill, Foreign Currency Translation Gain (Loss)	3,571
Balance end of period	1,170,516
Food Processing Group
Goodwill [Line Items]
Balance beginning of period	257,679
Goodwill acquired during the year	0
Measurement period adjustments to goodwill acquired in prior year	(8,732)
Goodwill, Foreign Currency Translation Gain (Loss)	2,706
Balance end of period	251,653
Residential Kitchen
Goodwill [Line Items]
Balance beginning of period	438,516
Goodwill acquired during the year	0
Measurement period adjustments to goodwill acquired in prior year	1,673
Goodwill, Foreign Currency Translation Gain (Loss)	(6,997)
Balance end of period	$ 433,192